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Liu Y, Hatano K, Nonomura N. Liquid Biomarkers in Prostate Cancer Diagnosis: Current Status and Emerging Prospects. World J Mens Health 2024; 42:42.e45. [PMID: 38772530 DOI: 10.5534/wjmh.230386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/12/2024] [Accepted: 01/22/2024] [Indexed: 05/23/2024] Open
Abstract
Prostate cancer (PCa) is a major health concern that necessitates appropriate diagnostic approaches for timely intervention. This review critically evaluates the role of liquid biopsy techniques, focusing on blood- and urine-based biomarkers, in overcoming the limitations of conventional diagnostic methods. The 4Kscore test and Prostate Health Index have demonstrated efficacy in distinguishing PCa from benign conditions. Urinary biomarker tests such as PCa antigen 3, MyProstateScore, SelectMDx, and ExoDx Prostate IntelliScore test have revolutionized risk stratification and minimized unnecessary biopsies. Emerging biomarkers, including non-coding RNAs, circulating tumor DNA, and prostate-specific antigen (PSA) glycosylation, offer valuable insights into PCa biology, enabling personalized treatment strategies. Advancements in non-invasive liquid biomarkers for PCa diagnosis may facilitate the stratification of patients and avoid unnecessary biopsies, particularly when PSA is in the gray area of 4 to 10 ng/mL.
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Affiliation(s)
- Yutong Liu
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Koji Hatano
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan.
| | - Norio Nonomura
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
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Wang W, Pan B, Ai Y, Li G, Fu Y, Liu Y. ParaCM-PNet: A CNN-tokenized MLP combined parallel dual pyramid network for prostate and prostate cancer segmentation in MRI. Comput Biol Med 2024; 170:107999. [PMID: 38244470 DOI: 10.1016/j.compbiomed.2024.107999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/28/2023] [Accepted: 01/13/2024] [Indexed: 01/22/2024]
Abstract
The precise prostate gland and prostate cancer (PCa) segmentations enable the fusion of magnetic resonance imaging (MRI) and ultrasound imaging (US) to guide robotic prostate biopsy systems. This precise segmentation, applied to preoperative MRI images, is crucial for accurate image registration and automatic localization of the biopsy target. Nevertheless, describing local prostate lesions in MRI remains a challenging and time-consuming task, even for experienced physicians. Therefore, this research work develops a parallel dual-pyramid network that combines convolutional neural networks (CNN) and tokenized multi-layer perceptron (MLP) for automatic segmentation of the prostate gland and clinically significant PCa (csPCa) in MRI. The proposed network consists of two stages. The first stage focuses on prostate segmentation, while the second stage uses a prior partition from a previous stage to detect the cancerous regions. Both stages share a similar network architecture, combining CNN and tokenized MLP as the feature extraction backbone to creating a pyramid-structured network for feature encoding and decoding. By employing CNN layers of different scales, the network generates scale-aware local semantic features, which are integrated into feature maps and inputted into an MLP layer from a global perspective. This facilitates the complementarity between local and global information, capturing richer semantic features. Additionally, the network incorporates an interactive hybrid attention module to enhance the perception of the target area. Experimental results demonstrate the superiority of the proposed network over other state-of-the-art image segmentation methods for segmenting the prostate gland and csPCa tissue in MRI images.
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Affiliation(s)
- Weirong Wang
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, 150001, China
| | - Bo Pan
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, 150001, China
| | - Yue Ai
- Hangzhou Wiseking Medical Robot Co., Ltd, Hangzhou, 310000, China
| | - Gonghui Li
- Department of Urology, Sir Run Run Shaw Hospital, Medicine School of Zhejiang University, Hangzhou, 310000, China
| | - Yili Fu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, 150001, China.
| | - Yanjie Liu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, 150001, China
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O'Malley DE, Raspin K, Melton PE, Burdon KP, Dickinson JL, FitzGerald LM. Acquired copy number variation in prostate tumours: a review of common somatic copy number alterations, how they are formed and their clinical utility. Br J Cancer 2024; 130:347-357. [PMID: 37945750 PMCID: PMC10844642 DOI: 10.1038/s41416-023-02485-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 10/23/2023] [Accepted: 10/27/2023] [Indexed: 11/12/2023] Open
Abstract
Prostate cancer is one of the most commonly diagnosed cancers in men and unfortunately, disease will progress in up to a third of patients despite primary treatment. Currently, there is a significant lack of prognostic tests that accurately predict disease course; however, the acquisition of somatic chromosomal variation in the form of DNA copy number variants may help understand disease progression. Notably, studies have found that a higher burden of somatic copy number alterations (SCNA) correlates with more aggressive disease, recurrence after surgery and metastasis. Here we will review the literature surrounding SCNA formation, including the roles of key tumour suppressors and oncogenes (PTEN, BRCA2, NKX3.1, ERG and AR), and their potential to inform diagnostic and prognostic clinical testing to improve predictive value. Ultimately, SCNAs, or inherited germline alterations that predispose to SCNAs, could have significant clinical utility in diagnostic and prognostic tests, in addition to guiding therapeutic selection.
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Affiliation(s)
- Dannielle E O'Malley
- Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, 7000, Australia
| | - Kelsie Raspin
- Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, 7000, Australia
| | - Phillip E Melton
- Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, 7000, Australia
- School of Population and Global Health, The University of Western Australia, Crawley, WA, Australia
| | - Kathryn P Burdon
- Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, 7000, Australia
| | - Joanne L Dickinson
- Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, 7000, Australia
| | - Liesel M FitzGerald
- Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, 7000, Australia.
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De Bruyne S, De Kesel P, Oyaert M. Applications of Artificial Intelligence in Urinalysis: Is the Future Already Here? Clin Chem 2023; 69:1348-1360. [PMID: 37708293 DOI: 10.1093/clinchem/hvad136] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/16/2023] [Indexed: 09/16/2023]
Abstract
BACKGROUND Artificial intelligence (AI) has emerged as a promising and transformative tool in the field of urinalysis, offering substantial potential for advancements in disease diagnosis and the development of predictive models for monitoring medical treatment responses. CONTENT Through an extensive examination of relevant literature, this narrative review illustrates the significance and applicability of AI models across the diverse application area of urinalysis. It encompasses automated urine test strip and sediment analysis, urinary tract infection screening, and the interpretation of complex biochemical signatures in urine, including the utilization of cutting-edge techniques such as mass spectrometry and molecular-based profiles. SUMMARY Retrospective studies consistently demonstrate good performance of AI models in urinalysis, showcasing their potential to revolutionize clinical practice. However, to comprehensively evaluate the real clinical value and efficacy of AI models, large-scale prospective studies are essential. Such studies hold the potential to enhance diagnostic accuracy, improve patient outcomes, and optimize medical treatment strategies. By bridging the gap between research and clinical implementation, AI can reshape the landscape of urinalysis, paving the way for more personalized and effective patient care.
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Affiliation(s)
- Sander De Bruyne
- Department of Laboratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Pieter De Kesel
- Department of Laboratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Matthijs Oyaert
- Department of Laboratory Medicine, Ghent University Hospital, Ghent, Belgium
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Chen JY, Wang PY, Liu MZ, Lyu F, Ma MW, Ren XY, Gao XS. Biomarkers for Prostate Cancer: From Diagnosis to Treatment. Diagnostics (Basel) 2023; 13:3350. [PMID: 37958246 PMCID: PMC10649216 DOI: 10.3390/diagnostics13213350] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 09/26/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023] Open
Abstract
Prostate cancer (PCa) is a widespread malignancy with global significance, which substantially affects cancer-related mortality. Its spectrum varies widely, from slow-progressing cases to aggressive or even lethal forms. Effective patient stratification into risk groups is crucial to therapeutic decisions and clinical trials. This review examines a wide range of diagnostic and prognostic biomarkers, several of which are integrated into clinical guidelines, such as the PHI, the 4K score, PCA3, Decipher, and Prolaris. It also explores the emergence of novel biomarkers supported by robust preclinical evidence, including urinary miRNAs and isoprostanes. Genetic alterations frequently identified in PCa, including BRCA1/BRCA2, ETS gene fusions, and AR changes, are also discussed, offering insights into risk assessment and precision treatment strategies. By evaluating the latest developments and applications of PCa biomarkers, this review contributes to an enhanced understanding of their role in disease management.
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Affiliation(s)
- Jia-Yan Chen
- Department of Radiation Oncology, Peking University First Hospital, Beijing 100034, China; (J.-Y.C.); (F.L.); (M.-W.M.); (X.-Y.R.)
| | - Pei-Yan Wang
- School of Information, University of Michigan, Ann Arbor, MI 48109, USA;
| | - Ming-Zhu Liu
- Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou 350014, China;
| | - Feng Lyu
- Department of Radiation Oncology, Peking University First Hospital, Beijing 100034, China; (J.-Y.C.); (F.L.); (M.-W.M.); (X.-Y.R.)
| | - Ming-Wei Ma
- Department of Radiation Oncology, Peking University First Hospital, Beijing 100034, China; (J.-Y.C.); (F.L.); (M.-W.M.); (X.-Y.R.)
| | - Xue-Ying Ren
- Department of Radiation Oncology, Peking University First Hospital, Beijing 100034, China; (J.-Y.C.); (F.L.); (M.-W.M.); (X.-Y.R.)
| | - Xian-Shu Gao
- Department of Radiation Oncology, Peking University First Hospital, Beijing 100034, China; (J.-Y.C.); (F.L.); (M.-W.M.); (X.-Y.R.)
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Abstract
ABSTRACT The advent of high-throughput technologies has enabled the analysis of minute amounts of tumor-derived material purified from body fluids, termed "liquid biopsies." Prostate cancer (PCa) management, like in many other cancer types, has benefited from liquid biopsies at several stages of the disease. Although initially describing circulating tumor cells in blood, the term "liquid biopsy" has come to more prominently include cell-free, circulating tumor DNA, as well as RNA, proteins, and other molecules. They provide tumor molecular information representing the entire, often-heterogeneous disease, relatively noninvasively and longitudinally. Blood has been the main liquid biopsy specimen in PCa, and urine has also proven beneficial. Technological advances have allowed clinical implementation of some liquid biopsies in PCa, in disease monitoring and precision oncology. This narrative review introduces the main types of blood-based PCa liquid biopsies focusing on advances in the past 5 years. Clinical adoption of liquid biopsies to detect and monitor the evolving PCa tumor biology promises to deepen our understanding of the disease and improve patient outcomes.
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Affiliation(s)
- Andi K. Cani
- Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI, USA
| | - Simpa S. Salami
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI, USA
- Department of Urology, University of Michigan Medical School, Ann Arbor, MI, USA
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Khosh Kish E, Choudhry M, Gamallat Y, Buharideen SM, D D, Bismar TA. The Expression of Proto-Oncogene ETS-Related Gene ( ERG) Plays a Central Role in the Oncogenic Mechanism Involved in the Development and Progression of Prostate Cancer. Int J Mol Sci 2022; 23:ijms23094772. [PMID: 35563163 PMCID: PMC9105369 DOI: 10.3390/ijms23094772] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/17/2022] [Accepted: 04/22/2022] [Indexed: 02/04/2023] Open
Abstract
The ETS-related gene (ERG) is proto-oncogene that is classified as a member of the ETS transcription factor family, which has been found to be consistently overexpressed in about half of the patients with clinically significant prostate cancer (PCa). The overexpression of ERG can mostly be attributed to the fusion of the ERG and transmembrane serine protease 2 (TMPRSS2) genes, and this fusion is estimated to represent about 85% of all gene fusions observed in prostate cancer. Clinically, individuals with ERG gene fusion are mostly documented to have advanced tumor stages, increased mortality, and higher rates of metastasis in non-surgical cohorts. In the current review, we elucidate ERG’s molecular interaction with downstream genes and the pathways associated with PCa. Studies have documented that ERG plays a central role in PCa progression due to its ability to enhance tumor growth by promoting inflammatory and angiogenic responses. ERG has also been implicated in the epithelial–mesenchymal transition (EMT) in PCa cells, which increases the ability of cancer cells to metastasize. In vivo, research has demonstrated that higher levels of ERG expression are involved with nuclear pleomorphism that prompts hyperplasia and the loss of cell polarity.
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Affiliation(s)
- Ealia Khosh Kish
- Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2V 1P9, Canada; (E.K.K.); (M.C.); (Y.G.); (S.M.B.); (D.D.)
| | - Muhammad Choudhry
- Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2V 1P9, Canada; (E.K.K.); (M.C.); (Y.G.); (S.M.B.); (D.D.)
| | - Yaser Gamallat
- Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2V 1P9, Canada; (E.K.K.); (M.C.); (Y.G.); (S.M.B.); (D.D.)
- Alberta Precision Laboratories, Calgary, AB T2V 1P9, Canada
| | - Sabrina Marsha Buharideen
- Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2V 1P9, Canada; (E.K.K.); (M.C.); (Y.G.); (S.M.B.); (D.D.)
- Alberta Precision Laboratories, Calgary, AB T2V 1P9, Canada
| | - Dhananjaya D
- Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2V 1P9, Canada; (E.K.K.); (M.C.); (Y.G.); (S.M.B.); (D.D.)
- Alberta Precision Laboratories, Calgary, AB T2V 1P9, Canada
| | - Tarek A. Bismar
- Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2V 1P9, Canada; (E.K.K.); (M.C.); (Y.G.); (S.M.B.); (D.D.)
- Alberta Precision Laboratories, Calgary, AB T2V 1P9, Canada
- Departments of Oncology, Biochemistry and Molecular Biology, Calgary, AB T2V 1P9, Canada
- Tom Baker Cancer Center, Arnie Charbonneau Cancer Institute, Calgary, AB T2V 1P9, Canada
- Correspondence: ; Tel.: +1-403-943-8430; Fax: +1-403-943-3333
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Balikov DA, Hu K, Liu CJ, Betz BL, Chinnaiyan AM, Devisetty LV, Venneti S, Tomlins SA, Cani AK, Rao RC. Comparative Molecular Analysis of Primary Central Nervous System Lymphomas and Matched Vitreoretinal Lymphomas by Vitreous Liquid Biopsy. Int J Mol Sci 2021; 22:9992. [PMID: 34576156 PMCID: PMC8471952 DOI: 10.3390/ijms22189992] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/12/2021] [Accepted: 09/14/2021] [Indexed: 12/13/2022] Open
Abstract
Primary Central Nervous System Lymphoma (PCNSL) is a lymphoid malignancy of the brain that occurs in ~1500 patients per year in the US. PCNSL can spread to the vitreous and retina, where it is known as vitreoretinal lymphoma (VRL). While confirmatory testing for diagnosis is dependent on invasive brain tissue or cerebrospinal fluid sampling, the ability to access the vitreous as a proximal biofluid for liquid biopsy to diagnose PCNSL is an attractive prospect given ease of access and minimization of risks and complications from other biopsy strategies. However, the extent to which VRL, previously considered genetically identical to PCNSL, resembles PCNSL in the same individual with respect to genetic alterations, diagnostic strategies, and precision-medicine based approaches has hitherto not been explored. Furthermore, the degree of intra-patient tumor genomic heterogeneity between the brain and vitreous sites has not been studied. In this work, we report on targeted DNA next-generation sequencing (NGS) of matched brain and vitreous samples in two patients who each harbored VRL and PCSNL. Our strategy showed enhanced sensitivity for molecular diagnosis confirmation over current clinically used vitreous liquid biopsy methods. We observed a clonal relationship between the eye and brain samples in both patients, which carried clonal CDKN2A deep deletions, a highly recurrent alteration in VRL patients, as well as MYD88 p.L265P activating mutation in one patient. Several subclonal alterations, however, in the genes SETD2, BRCA2, TERT, and broad chromosomal regions showed heterogeneity between the brain and the eyes, between the two eyes, and among different regions of the PCNSL brain lesion. Taken together, our data show that NGS of vitreous liquid biopsies in PCNSL patients with VRL highlights shared and distinct genetic alterations that suggest a common origin for these lymphomas, but with additional site-specific alterations. Liquid biopsy of VRL accurately replicates the findings for PCNSL truncal (tumor-initiating) genomic alterations; it can also nominate precision medicine interventions and shows intra-patient heterogeneity in subclonal alterations. To the best of our knowledge, this study represents the first interrogation of genetic underpinnings of PCNSL with matched VRL samples. Our findings support continued investigation into the utility of vitreous liquid biopsy in precision diagnosis and treatment of PCNSL/VRL.
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Affiliation(s)
- Daniel A. Balikov
- W.K. Kellogg Eye Center, Department of Ophthalmology and Visual Science, University of Michigan, Ann Arbor, MI 48109, USA; (D.A.B.); (L.V.D.)
| | - Kevin Hu
- Center of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI 48109, USA;
| | - Chia-Jen Liu
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA; (C.-J.L.); (B.L.B.); (A.M.C.); (S.V.); (S.A.T.)
- Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Bryan L. Betz
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA; (C.-J.L.); (B.L.B.); (A.M.C.); (S.V.); (S.A.T.)
| | - Arul M. Chinnaiyan
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA; (C.-J.L.); (B.L.B.); (A.M.C.); (S.V.); (S.A.T.)
- Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, MI 48109, USA
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Laxmi V. Devisetty
- W.K. Kellogg Eye Center, Department of Ophthalmology and Visual Science, University of Michigan, Ann Arbor, MI 48109, USA; (D.A.B.); (L.V.D.)
| | - Sriram Venneti
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA; (C.-J.L.); (B.L.B.); (A.M.C.); (S.V.); (S.A.T.)
- Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Scott A. Tomlins
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA; (C.-J.L.); (B.L.B.); (A.M.C.); (S.V.); (S.A.T.)
- Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Andi K. Cani
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
- Hematology/Oncology Division, Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Rajesh C. Rao
- W.K. Kellogg Eye Center, Department of Ophthalmology and Visual Science, University of Michigan, Ann Arbor, MI 48109, USA; (D.A.B.); (L.V.D.)
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA; (C.-J.L.); (B.L.B.); (A.M.C.); (S.V.); (S.A.T.)
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
- Center for RNA Biomedicine, University of Michigan, Ann Arbor, MI 48109, USA
- Division of Ophthalmology, Surgical Service, Veterans Administration Ann Arbor Healthcare System, Ann Arbor, MI 48109, USA
- A. Alfred Taubman Medical Research Institute, University of Michigan, Ann Arbor, MI 48109, USA
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